A 21st Photographic Reconnaissance Squadron F-5 being serviced in Guangxi province, at either Liuzhou or Guilin. Original can be found at National Archives and Records Administration. Caption for the photo is: "Camera Repairmen Of The 21St Photographic Reconnaissance Sqd. Work On A Lockheed F-5A Reconnaissance Plane In A Natural Revetment Formed By The Limestone Buttes At A Forward Base In...